<?php

class SiteController extends Controller
{
	
	public function accessRules(){
        return array(
            array('allow',
                'users'=>array('*'),
            ),
            array('allow',
                'actions'=>array('admin'),
                'expression' => 'Yii::app()->user->getState("isAdmin")',
            ),
        );
    }

	/**
	 * Declares class-based actions.
	 */
	public function actions()
	{
		return array(
			// page action renders "static" pages stored under 'protected/views/site/pages'
			// They can be accessed via: index.php?r=site/page&view=FileName
			'page'=>array(
				'class'=>'CViewAction',
			),
		);
	}

	/**
	 * This is the default 'index' action that is invoked
	 * when an action is not explicitly requested by users.
	 */
	public function actionIndex()
	{
		if (Yii::app()->user->getState("isAdmin"))
		{
			$this->actionAdmin();
		}
		else
		{
			$this->render('index');
		}
	}

	/**
	 * This is the action to handle external exceptions.
	 */
	public function actionError()
	{
	    if($error=Yii::app()->errorHandler->error)
	    {
	    	if(Yii::app()->request->isAjaxRequest)
	    		echo $error['message'];
	    	else
	        	$this->render('error', $error);
	    }
	}

	/**
	 * Displays the login page
	 */
	public function actionLogin()
	{
		$model=new LoginForm;

		// if it is ajax validation request
		if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}

		// collect user input data
		if(isset($_POST['LoginForm']))
		{
			$model->attributes=$_POST['LoginForm'];
			// validate user input and redirect to the previous page if valid
			if($model->validate() && $model->login())
			{
				if(Yii::app()->user->getState('isAdmin'))
				{
					$this->redirect(array('site/index'));
					Yii::app()->end();
				}
				if(Yii::app()->user->isGuest)
				{
					$this->redirect(Yii::app()->user->returnUrl);
				} 
				else 
				{
					if(!Yii::app()->user->getState('returnedUrl'))
					{
						$this->redirect(array('/site/index'));
					}
					else
					{
						$this->redirect(Yii::app()->user->getState('returnedUrl'));
					}
				}
			}
		}
		// display the login form
		$this->render('login',array('model'=>$model));
	}

	/**
	 * Logs out the current user and redirect to homepage.
	 */
	public function actionLogout()
	{
		Yii::app()->user->logout();
		$this->redirect(Yii::app()->homeUrl);
	}
	
	public function actionAdmin()
	{
		Yii::app()->theme=param('adminTheme');
		Yii::import('application.modules.news.models.News');
		Yii::import('application.modules.infopages.models.Infopages');
		Yii::import('application.modules.faq.models.Faq');
		$statistics = array(
			tt('Users', 'User') => User::model()->count(),
			tt('News', 'News') => News::model()->count(),
			tt('Infopages', 'Infopages') => Infopages::model()->count(),
			tt('FAQ', 'Faq') => Faq::model()->count(),
		);
		$this->render('admin', array('statistics'=>$statistics));
	}
}
